ADJUSTING DOOR ROLLER

PROBLEM TO BE SOLVED: To perform adjustment in an indoor/outdoor direction with high accuracy, and to perform an adjusting operation compactly and easily.SOLUTION: An adjusting door roller comprises: a door roller body 3 which includes a roller 5 and its holding frame 4 inside an outer case 2, and is supported in a state of being slidable in the indoor/outdoor direction by a horizontal spindle 6 disposed between side walls of the outer case 2; a slide member 7 which is provided inside the holding frame 4 of the door roller body 3 in the state that the horizontal spindle 6 passes through, performs a sliding operation integrally with the door roller body 3, and is provided with projected lines 8 and 8 along a direction inclined to the indoor/outdoor direction on an upper surface; and an adjusting member 11 which is directly or indirectly screwed to an indoor/outdoor direction adjusting screw 9 disposed in a direction orthogonal to the horizontal spindle 6, is provided so as to be screwed forward and backward along the indoor/outdoor direction adjusting screw 9, and is provided with line grooves 12 and 12 to be engaged with the projected lines 8 and 8 along the direction inclined to the indoor/outdoor direction on a lower surface.